{"id":35627,"date":"2019-10-31T22:05:26","date_gmt":"2019-10-31T19:05:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/predstavlena-plata-raspberry-pi-4\/"},"modified":"2019-10-31T22:05:26","modified_gmt":"2019-10-31T19:05:26","slug":"predstavlena-plata-raspberry-pi-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/predstavlena-plata-raspberry-pi-4","title":{"rendered":"Predstavili so plo\u0161\u010do Raspberry Pi 4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Potem ko je minilo tri in pol leta od ustvarjanja<\/a><\/noindex> Raspberry Pi 3 organizacija Raspberry Pi Foundation je predstavilo<\/a><\/noindex> novo generacijo plo\u0161\u010d Raspberry Pi 4<\/a><\/noindex>. Za naro\u010dilo je \u017ee na voljo model «B», opremljen<\/a><\/noindex> z novim SoC BCM2711, ki je popolnoma predelana razli\u010dica prej uporabljene \u010dipa BCM283X, izdelana s procesom 28nm. Cena plo\u0161\u010de je ostala nespremenjena in je \u0161e vedno 35 dolarjev ZDA. <\/p>\n

SoC \u0161e vedno vklju\u010duje \u0161tiri 64-bitna jedra ARMv8 in deluje pri le malo pove\u010dani frekvenci (1.5GHz namesto 1.4GHz). Sprememba proizvodnega procesa je omogo\u010dila zamenjavo Cortex-A53 z bolj zmogljivo jedro Cortex-A72, kar je pove\u010dalo zmogljivost na novo raven. Poleg tega je bil prehod na uporabo pomnilnika LPDDR4, ki v primerjavi s prej uporabljenim pomnilnikom LPDDR2 zagotavlja trikratno pove\u010danje propustnosti. Kot rezultat, v testih zmogljivosti nova plo\u0161\u010da prehiti prej\u0161nji model Raspberry Pi 3B+ za 2-4 krat.<\/p>\n

Med drugimi pomembnimi razlikami lahko omenimo vklju\u010ditev PCI Express krmilnika, dveh USB 3.0 portov (plus dva USB 2.0 portova) in dveh Micro HDMI portov (prej je bil uporabljen en polnoformatni HDMI), ki omogo\u010dajo izhod slike na dva monitorja v kakovosti 4K. Zmogljiv grafi\u010dni procesor VideoCore VI je bil znatno posodobljen, podpira OpenGL ES 3.0 in lahko dekodira video H.265 v kakovosti 4Kp60 (ali 4Kp30 na dveh monitorjih). Napajanje se lahko napaja preko USB-C porta (prej se je uporabljal USB micro-B), preko GPIO ali preko dodatnega modul<\/a><\/noindex> PoE HAT (Power over Ethernet).<\/p>\n

Poleg tega je bila re\u0161ena dolgoletna te\u017eava z nezadostno velikostjo pomnilnika — plo\u0161\u010da je zdaj na voljo v razli\u010dicah z 1, 2 in 4 GB RAM-a (cene so ustrezno $35, $45 in $55), kar novo plo\u0161\u010do naredi primerno re\u0161itev za ustvarjanje delovnih postaj, igralnih platform, stre\u017enikov, prehodov za pametne domove, enot za upravljanje robotov in sodobnih multimedijskih sistemov. <\/p>\n

Izbolj\u0161an gigabitni Ethernet naprava, ki je zdaj povezana s SoC preko lo\u010denega RGMII vodila, kar omogo\u010da dosego polne deklarirane zmogljivosti. USB je zdaj implementiran preko lo\u010denega VLI kontrolerja, priklju\u010denega preko PCI Express, ki zagotavlja skupno pasovno \u0161irino 4Gbps. Kot prej, je plo\u0161\u010da opremljena s 40 GPIO priklju\u010dki, DSI (priklju\u010dek za zaslon na dotik), CSI (priklju\u010dek za kamero) in brez\u017ei\u010dnim \u010dipom, ki podpira standard 802.11ac, delovanje na frekvencah 2.4GHz in 5GHz ter Bluetooth 5.0.<\/p>\n

\"Predstavili<\/a><\/noindex><\/center><\/p>\n

Hkrati je iz\u0161el nov prenos distsribu Raspbian<\/a><\/noindex>, v katerem je zagotovljena popolna podpora za Raspberry Pi 4. Izid je tudi opazen prehod na paketno osnovo Debian 10 «Buster» (prej je bil uporabljen Debian 9), pomembno prenovo uporabni\u0161kega vmesnika in uporabo novega gonilnika Mesa V3D z bistveno izbolj\u0161ano podporo za 3D (vklju\u010dno z dostopom do OpenGL za pospe\u0161evanje brskalnika). Za prenos sta pripravljeni dve zbirki — skraj\u0161ana (406 MB<\/a><\/noindex>) za stre\u017eni\u0161ke sisteme in polna (1.1 GB<\/a><\/noindex>), ki prihaja s uporabni\u0161kim okoljem PIXEL<\/a><\/noindex> (razveja od LXDE). Za namestitev iz repozitorijev<\/a><\/noindex> je na voljo okoli 35 tiso\u010d paketov. <\/p>\n

\"Predstavili<\/a><\/noindex><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Izvor: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-35627","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Predstavljen Raspberry Pi 4 | ProHoster","description":"Po treh letih in pol od ustvarjanja Raspberry Pi 3 je organizacija Raspberry Pi Foundation","canonical_url":"https:\/\/prohoster.info\/sl\/blog\/news\/predstavlena-plata-raspberry-pi-4","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sl_SI","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c 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